diff --git a/alsactl/alsactl_parser.y b/alsactl/alsactl_parser.y
index 923a0c3..7e062e5 100644
--- a/alsactl/alsactl_parser.y
+++ b/alsactl/alsactl_parser.y
@@ -643,6 +643,9 @@ static void mixer_3d_effect1_value(unsigned int effect, int val)
 	case SND_MIXER_EFF1_FEEDBACK:
 		Xelement->element.data.teffect1.feedback = val;
 		break;
+	case SND_MIXER_EFF1_DEPTH_REAR:
+		Xelement->element.data.teffect1.depth_rear = val;
+		break;
 	default:
 		yyerror("Unknown effect 0x%x\n", effect);
 	}
diff --git a/alsactl/setup.c b/alsactl/setup.c
index d7e5e80..cb0057f 100644
--- a/alsactl/setup.c
+++ b/alsactl/setup.c
@@ -859,7 +859,7 @@ static void soundcard_setup_write_mixer_element(FILE * out, struct mixer_element
 			fprintf(out, "%sdelay=%i", idx++ > 0 ? "," : "", element->data.teffect1.delay);
 		if (element->data.teffect1.effect & SND_MIXER_EFF1_FEEDBACK)
 			fprintf(out, "%sfeedback=%i", idx++ > 0 ? "," : "", element->data.teffect1.feedback);
-		if (element->data.teffect1.depth_rear & SND_MIXER_EFF1_DEPTH_REAR)
+		if (element->data.teffect1.effect & SND_MIXER_EFF1_DEPTH_REAR)
 			fprintf(out, "%sdepth_rear=%i", idx++ > 0 ? "," : "", element->data.teffect1.depth_rear);
 		fprintf(out, "))\n");
 		break; 
diff --git a/amixer/amixer.c b/amixer/amixer.c
index bbc8423..8cb5531 100644
--- a/amixer/amixer.c
+++ b/amixer/amixer.c
@@ -639,6 +639,10 @@ int show_element_info(void *handle, snd_mixer_eid_t *eid, const char *space)
 			printf("%sFeedback: Min %i, Max %i\n", space,
 					info.data.teffect1.min_feedback,
 					info.data.teffect1.max_feedback);
+		if (info.data.teffect1.effect & SND_MIXER_EFF1_DEPTH_REAR)
+			printf("%sDepth rear: Min %i, Max %i\n", space,
+					info.data.teffect1.min_depth_rear,
+					info.data.teffect1.max_depth_rear);
 		break;
 	default:
 		printf("%sInfo handler for type %i is not available\n", space, info.eid.type);
@@ -776,6 +780,8 @@ int show_element_contents(void *handle, snd_mixer_eid_t *eid, const char *space)
 			printf("%sDelay: %s\n", space, get_percent(element.data.teffect1.delay, info.data.teffect1.min_delay, info.data.teffect1.max_delay));
 		if (element.data.teffect1.effect & SND_MIXER_EFF1_FEEDBACK)
 			printf("%sFeedback: %s\n", space, get_percent(element.data.teffect1.feedback, info.data.teffect1.min_feedback, info.data.teffect1.max_feedback));
+		if (element.data.teffect1.effect & SND_MIXER_EFF1_DEPTH_REAR)
+			printf("%sDepth rear: %s\n", space, get_percent(element.data.teffect1.depth_rear, info.data.teffect1.min_depth_rear, info.data.teffect1.max_depth_rear));
 		break;
 	default:
 		printf("%sRead handler for type %i is not available\n", space, element.eid.type);
diff --git a/gamix/catch.c b/gamix/catch.c
index 7d6219c..f65c941 100644
--- a/gamix/catch.c
+++ b/gamix/catch.c
@@ -180,6 +180,10 @@ void s_e_chk( s_element *e ) {
 			e->adj[6]->value=(gfloat)e->e.data.teffect1.feedback;
 			gtk_signal_emit_by_name(GTK_OBJECT(e->adj[6]),"value_changed");
 		}
+		if( e->info.data.teffect1.effect & SND_MIXER_EFF1_DEPTH_REAR ) {
+			e->adj[7]->value=(gfloat)e->e.data.teffect1.depth_rear;
+			gtk_signal_emit_by_name(GTK_OBJECT(e->adj[7]),"value_changed");
+		}
 		break;
 	}
 }
diff --git a/gamix/mkmixer.c b/gamix/mkmixer.c
index f216be9..7e3b341 100644
--- a/gamix/mkmixer.c
+++ b/gamix/mkmixer.c
@@ -2,7 +2,7 @@
 #include "gamix.h"
 
 static gchar *label_3d[]={
-	"wide","volume","center","space","depth","delay","feedback"};
+	"wide","volume","center","space","depth","delay","feedback", "depth rear"};
 
 static void close_callback(GtkWidget *,s_mixer *);
 static void volume1_callback(GtkAdjustment *,s_element *);
@@ -221,6 +221,9 @@ static void vol_3d_callback(GtkAdjustment *adj,s_element *e) {
 	case 6:
 		v=&e->e.data.teffect1.feedback;
 		break;
+	case 7:
+		v=&e->e.data.teffect1.depth_rear;
+		break;
 	}
 	value=(int)adj->value;
 	if( v ) {
@@ -703,6 +706,7 @@ gint mk_element(s_element *e,GtkBox *iv_box) {
 		MIX_3D_VOL(4,depth,min_depth,max_depth,SND_MIXER_EFF1_DEPTH);
 		MIX_3D_VOL(5,delay,min_delay,max_delay,SND_MIXER_EFF1_DELAY);
 		MIX_3D_VOL(6,feedback,min_feedback,max_feedback,SND_MIXER_EFF1_FEEDBACK);
+		MIX_3D_VOL(7,depth_rear,min_depth_rear,max_depth_rear,SND_MIXER_EFF1_DEPTH_REAR);
 		break;
 	}
 	gtk_widget_show(ih_box);